Persistent organic pollutants (POPs) are employed in a variety of agricultural and industrial products, causing significant environmental and human health damage. Although India is widely regarded as a hotspot for POPs contamination and human exposure, no systematic analysis has yet been conducted, taking into account all available past data on POPs occurrence. Human and industrial activity produce POPs, either purposefully or unintentionally. Due to their widespread use as flame retardants in numerous commercial items, polybrominated diphenylethers (PBDEs) are currently the most concerning POPs. These goods include PBDEs, which are discharged into the environment and eventually end up in landfills and sewage. Sewage sludge serves as both a sink for PBDEs and a source of PBDE release into aquatic environments. As a result, systematic studies to monitor PBDE levels in sewage sludge and its treatment are urgently needed. Biodegradation has long been recognised as one of the possible techniques for removing contaminants from the environment. Unique catabolic pathways capable of digesting persistent organic pollutants have been discovered in some isolated aerobic bacteria from the environment. The biodegradation of POPs from sewage sludge utilising a combination of bio and nanotechnology is the subject of this chapter. The study's major goals are to learn about POPs, their sources, classification, environmental and health consequences, and to compare alternative treatment methods in order to find the optimal way for removing POPs from wastewater in a specific bioreactor.
Author (s) Details
Dr. Korrapati Narasimhulu
Department of Biotechnology, National Institute of Technology Warangal, Warangal-506004, Telangana, India.
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